Marion ZIP Code List — Linn County, IA

There is one unique ZIP code in Marion, Iowa and it is 52302. Area code: 319.

ZIP codes

74.34

sq mi land

0.04

sq mi water

319

area code

Marion, IA ZIP code map

About Marion, IA

Marion, Iowa, is a vibrant city located in the heart of Linn County. Known for its friendly community atmosphere, it offers a blend of urban amenities and small-town charm. Residents and visitors alike enjoy various recreational opportunities and local events throughout the year.

Location & geography

Marion is situated just north of Cedar Rapids and is approximately 5 miles away from it. The city features a total land area of 74.34 square miles and a water area of 0.04 square miles, comprising mostly flat terrain that is typical of the region. This makes it an excellent location for outdoor activities and exploration.

Community & economy

The character of Marion is defined by its strong sense of community and diverse population, which participates actively in local governance and events. Key industries in the area include manufacturing, retail, and healthcare, contributing to a stable local economy. Daily life in Marion is enhanced by well-maintained parks, community centers, and cultural events that foster a cohesive community spirit.

Transportation

Marion is conveniently accessed via major highways, including Interstate 380 and US Route 13, facilitating easy travel in and out of the city. The nearest airport serving Marion is the Eastern Iowa Airport, located approximately 10 miles to the southwest in Cedar Rapids. Public transportation options are also available to help residents navigate the area.

History

Founded in the mid-19th century, Marion was developed along a major railroad, which was pivotal in shaping its economy and growth. The city has historically been known for its agricultural roots, but it has evolved to include a diverse range of industries over the years. Notable events in Marion's history include its incorporation in 1875 and its rapid growth following industrial booms in the region.

Did you know?

A surprising fact about Marion is that it is home to one of the oldest continuously running Ice Cream Parlor, the Zuber's Ice Cream, which has delighted residents for decades. Additionally, Marion is known for the scenic Lowe Park, which offers a variety of recreational facilities and community events.

ZIP codes for Marion, IA (1)

ZIP code	City	County	Map
52302	Marion	Linn	View map

Demographics & statistics

42,803

Population

39.8

Median age

$82,242

Median household income

$42,708

Per capita income

$211,000

Median home value

$897

Median monthly rent

78.4%

Home ownership

7.2%

Poverty rate

3.9%

Unemployment

14,324

Housing units

37.4%

Bachelor's or higher

Age distribution

Male Female

1,402

Under 5

1,502

1,597

5–9

1,711

1,308

10–14

1,401

1,058

15–19

1,135

790

20–24

847

2,793

25–34

2,994

3,053

35–44

3,272

2,536

45–54

2,719

1,136

55–59

1,218

1,283

60–64

1,375

2,080

65–74

2,230

1,184

75–84

1,269

439

85+

471

← Male

Female →

Age summary

Group	Count	%
Under 18	10,551	24.7%
18 and over	32,252	75.3%
65 and over	7,673	17.9%
Median age	39.8 years

Race & ethnicity

White 89.3%

Two or more races 3.9%

Black or African American 2.4%

Hispanic or Latino 2%

Asian 1.6%

Other race 0.4%

American Indian / Alaska Native 0.3%

Group	Count	%
White	38,989	89.3%
Two or more races	1,693	3.9%
Black or African American	1,055	2.4%
Hispanic or Latino	879	2%
Asian	702	1.6%
Other race	194	0.4%
American Indian / Alaska Native	149	0.3%

Household income

Under $10k 1.7%

$10k–$15k 2.9%

$15k–$25k 6.5%

$25k–$35k 5.4%

$35k–$50k 11.3%

$50k–$75k 16.3%

$75k–$100k 15.1%

$100k–$150k 20.4%

$150k–$200k 10.1%

$200k+ 10.4%

Range	% of households
Under $10k	1.7%
$10k–$15k	2.9%
$15k–$25k	6.5%
$25k–$35k	5.4%
$35k–$50k	11.3%
$50k–$75k	16.3%
$75k–$100k	15.1%
$100k–$150k	20.4%
$150k–$200k	10.1%
$200k+	10.4%
Median income	$82,242

Housing

Home values

Under $50k 5.0%

$50k–$100k 3.4%

$100k–$150k 16.5%

$150k–$200k 21.7%

$200k–$300k 30.6%

$300k–$500k 19.0%

$500k–$1M 3.6%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$211,000
Median rent / month	$897
Owner occupied	78.4%
Renter occupied	21.6%
Vacant	4.0%
Single-family detached	66.9%
Large apartment buildings	4.4%
Mobile homes	4.4%
Median rooms	6.4
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	1.0%
2010–2019	16.1%
2000–2009	18.2%
1990–1999	14.9%
1980–1989	9.2%
1970–1979	11.0%
1960–1969	11.9%
1950–1959	6.6%
1940–1949	1.8%
1939 or earlier	9.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	6.8%
2 bedrooms	19.9%
3 bedrooms	43.6%
4 bedrooms	20.4%
5+ bedrooms	7.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.8%
1 vehicle	30.9%
2 vehicles	43.5%
3 or more	21.9%

Heating fuel

Fuel type	%
Utility gas	79.0%
Electricity	16.7%
Propane / LP gas	2.8%
Fuel oil	0.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	9,194	53.0%
Cohabiting couple	1,159	6.7%
Male householder, no spouse	2,751	15.9%
Female householder, no spouse	4,240	24.4%
Households with children under 18	5,557	32.0%
Households with seniors (65+)	5,149	29.7%
Average household size	2.45

Marital status

Status	Male	Female
Never married	27.2%	21.9%
Married	59.2%	52.8%
Separated	0.6%	1.5%
Widowed	2.2%	10.4%
Divorced	10.8%	13.5%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.4%

HS graduate 25.8%

Some college, no degree 18.5%

Associate's degree 15.1%

Bachelor's degree 27.0%

Graduate / professional 10.4%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	37.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	990	9.4%
Kindergarten	419	4.0%
Elementary school	5,151	49.1%
High school	1,966	18.7%
College / grad school	1,967	18.7%

Employment

Industry of employment

Education & healthcare 21.7%

Manufacturing 16.4%

Retail trade 12.5%

Professional & management 10.6%

Finance & real estate 9.2%

Arts, food & hospitality 7.4%

Construction 5.0%

Transportation & utilities 4.6%

Other services 3.4%

Public administration 3.1%

Agriculture & mining 2.1%

Wholesale trade 2.0%

Information 1.9%

Occupation

Category	%
Management, business & arts	44.7%
Service	14.3%
Sales & office	21.8%
Natural resources & construction	5.6%
Production & transportation	13.5%

Employment type

Type	%
Private sector	81.2%
Government	11.4%
Self-employed	6.8%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	78.1%
Carpool	5.7%
Public transit	0.6%
Walk	1.0%
Other means	1.1%
Avg commute (minutes)	19.1

Poverty

All people 7.2%

Under 18 years 8.0%

18 and over 7.0%

Married-couple families 3.2%

Female-led households 26.2%

Income support

Source	% of households
Social Security	30.5%
Retirement income	26.5%
Supplemental Security	3.7%
Cash public assistance	1.2%
Food stamps / SNAP	6.7%

Health indicators

Condition	%
High blood pressure	30.1%
High cholesterol	30.8%
Heart disease	5.2%
Stroke	2.3%
Asthma	9.3%
Arthritis	22.5%
Kidney disease	2.4%
Pulmonary disease	5.2%
Cancer	6.5%

Behavior / access	%
Binge drinking	22.5%
No physical activity	18.4%
Less than 7 hrs sleep	29.8%
Fair or poor health	10.0%
Poor mental health	13.0%
Poor physical health	7.9%
No health insurance	7.4%
Visited doctor (checkup)	77.2%
Visited dentist	72.4%
Cholesterol screening	89.2%
Teeth loss	9.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,121	6.6%

Disability	%
Any disability	11.7%
Under 18	7.5%
18–64 years	8.1%
65 and over	29.5%

Health insurance coverage

Type	%
Private insurance	77.2%
Public insurance	33.4%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	39,899	93.2%
Spanish	420	1.1%
Other Indo-European	121	0.3%
Asian & Pacific Islander	176	0.4%
Other languages	95	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	41,576	97.1%
Born in same state	41,444	96.8%
Born in different state	31,958	74.7%
Foreign born	132	0.3%
Naturalized citizen	1,227	2.9%
Not a US citizen	664	54.1%

Ancestry

Ancestry	Count	%
Italian	6,100	14.3%
French	5,087	11.9%
Polish	2,871	6.7%
Arab	1,669	3.9%

Ancestry	Count	%
English	1,105	2.6%
Dutch	693	1.6%
Irish	92	0.2%
German	79	0.2%

Technology access

Metric	% of households
Computer access	40.5%
Internet access	95.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Marion, IA?

Marion, IA has one ZIP code: 52302.

What is the main ZIP code for Marion, IA?

The primary ZIP code for Marion, IA is 52302. The city uses area code 319 for phone service.

What county is Marion, IA in?

Marion is located in Linn County, Iowa.

How many ZIP codes are in Marion, IA?

Marion, IA has 1 ZIP code.

What ZIP code covers downtown Marion and the historic Business District along Main Street?

Downtown Marion, including the historic Business District along Main Street, is located in ZIP code 52302.

What is the ZIP code for the Marion Community School District administrative offices and local schools in Marion?

Marion Community School District facilities and Marion public schools are served by ZIP code 52302.